The portion of the vestibule between the true and false vocal cords is known as:

The alveolar epithelium in the lungs is made up of which type of tissue?

Select the correct statements about alveoli from the following.
$i$. Air sac of each terminal bronchiole shows $10$ to $12$ alveoli.
$ii$. Each alveolus is surrounded by a network of capillaries.
$iii$. They are lined by ciliated pseudostratified epithelium.
$iv$. They provide surface area for exchange of gases.
$v$. There are about $700$ million alveoli in the lungs.

Which is the narrowest and most delicate tube in the lungs?

Mark the $CORRECT$ statement.

The inner surface of the larynx is lined by: